/*

* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Signalling for UI components about group events

*

*/

#ifndef MCAGROUPEVENTOBSERVER_H

#define MCAGROUPEVENTOBSERVER_H

// INCLUDES

#include <e32std.h>

// CLASS DECLARATION

/**

 *  MCAGroupEventObserver interface class. Provides signalling for the UI

 *  components.  As the name states mainly changes in the group states are

 *  reported to the UI.

 *  Used to observe events of one group.

 *

 *  @lib CAEngine.lib

 *  @since 2.1

 */

class MCAGroupEventObserver

    {

    public:  // Interface

        /**

         * Called when new group properties are received from the

         * the network. These are server initiated properties.

         */

        virtual void HandleGroupPropertiesChanged() = 0;

        /**

         * Called when the group has been deleted, or forced kick out of the group.

         * @param aReason The CSP error code

         */

        virtual void HandleGroupLeft( TInt aReason ) = 0;

    protected:

        /**

         * Destructor.

         */

        virtual ~MCAGroupEventObserver() {};

    };

#endif  // MCAGROUPEVENTOBSERVER_H

// End of File